Home / 3,709.23-5,564.75-1,112.15

Finding the Fourth Proportional to 3,709.23, 5,564.75 and 1,112.15

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Solution

The fourth proportional to 3,709.23, 5,564.75 and 1,112.15 is: 1,668.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,709.23 : 5,564.75 = 1,112.15 : x
  2. Step 2: Convert to fraction form
    3,709.23/5,564.75 = 1,112.15/x
  3. Step 3: Cross multiply
    3,709.23x = 5,564.75 × 1,112.15
  4. Step 4: Simplify right side
    3,709.23x = 6,188,803.33
  5. Step 5: Solve for x
    x = 6,188,803.33/3,709.23
  6. Step 6: Final answer
    x = 1,668.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.